Balvanera Neighborhood

Once
It also exists the other side of Buenos Aires, the most popular, located in Pueyrredon avenue, in Plaza Miserere (“Miserere Park”) or Once. Germinal Nogues described it better than nobody: “Buenos Aires does not have a place that seems more to Latino America, more to any Latino American city, that those few blocks that surround the Miserere Park...”

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http://www.elportaldeltango.com/english/frnews.htm